Which shape must have opposite sides that are parallel and congruent, and diagonals that are perpendicular

Find two positive numbers whose product is 192

If the gradient of a hill is 5%, what is the corresponding slope of the hill? 5 1/5 1/20 2/25

Solve for n. - 5/6n=40 What is the answer A.-56 B.-48 C. 48 D. 56

One tool used in genetics is called a pedigree chart, are there any advantages to using this tool? The population of a city is increasing at a rate of 4% each year. In 2000, there were 236,000 people in the city.

What is 5m² when m = 6?

What number is 5% of 46?

A empty graduated cylinder has a mass of 82.14 g. When 25.0 mL of an unknown liquid are poured into the cylinder and the liquid is 104.52. What is the density of the liquid?

Can a TI-84 Plus simplify radicals?

Which math expression represents the phrase? 9 times the sum of a number and 7 a. 9 · n+7 b. 9 · (n+7) c. 9 · (n - 7) d. 9 · (n · 7)

Two triangles have the same heights. One triangle has a base length that is twice the base length of the other triangle. Are the base lengths and the areas of the two triangles proportional?